/*-
 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Berkeley Software Design Inc's name may not be used to endorse or
 *    promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *    from BSDI $Id: mutex.h,v 2.7.2.35 2000/04/27 03:10:26 cp Exp $
 * $FreeBSD: releng/11.2/sys/sys/mutex.h 331722 2018-03-29 02:50:57Z eadler $
 */

/*
 * Machine independent bits of mutex implementation.
 */

/*lint -esym(459,g_losTask)*/

#ifndef _MUTEX_REF_H
#define _MUTEX_REF_H

/*Ref. usb_process.c*/

#define MA_OWNED 1
#define MA_NOTOWNED 2

struct pthread_mutex;
#define mtx pthread_mutex

#define    mtx_init(m, n, t, o)    (void)usb_mutex_init((m), (o))
#define    mtx_destroy(m)    (void)pthread_mutex_destroy((m))
#define    mtx_lock(m)        (void)pthread_mutex_lock((m))
#define    mtx_unlock(m)    (void)pthread_mutex_unlock((m))
#define    mtx_lock_spin(m)
#define    mtx_unlock_spin(m)
#define    mtx_owned(m)    (((m)->stLock.pstOwner == g_losTask.runTask) ? (1):(0))
#define    mtx_assert(m,what) do {     \
    switch (what) {        \
    case MA_OWNED:    \
        /* if (!mtx_owned(m)){ panic("mtx assert at %s:%d\n", __FUNCTION__, __LINE__);}*/    \
        break;    \
    case MA_NOTOWNED:    \
        if (mtx_owned(m)){ panic("mtx assert at %s:%d\n", __FUNCTION__, __LINE__);}        \
        break;    \
    default:    \
        {panic("mtx assert at %s:%d\n", __FUNCTION__, __LINE__);}    \
    }    \
} while (0)

extern int usb_mutex_init(struct mtx *mutex, unsigned int flag);

#endif
